Not entirely sure what you talking about, but you can add a custom block
wrapper for basically anything. It doesnt have to be a real gr block.
Make a custom block wrapper without any inputs or outputs, and put your
special code in the blah that instantiates your object.
A good example is the x
Josh, etc al:
What is the best way to "tack on" functionality to a GRC-generated
flowgraph--that is, things that are outside of
the Gnu Radio "environment" but still important to your application.
I'd like to add things like a timeout function that "does things" from
time to time, as well as ot
